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高速度发展汽车运输业,是全世界许多国家所具有的共同特征。芬兰就是这样一个国家。芬兰在公路建筑与养护管理方面取得了许多有益的经验。最近几十年来,该国的汽车总数几乎增长了80％。现共有汽车175万辆,其中小汽车有160万辆(占91.4％)。小汽车所有者使用小汽车的整个旅程通常约为300公里,而使用小汽车运送货物的旅程一般在400公里以上。芬兰公路网的一个特点是,公路网是由各种不同道路等级的公路组成的。详见下表。在整个国道中,几乎一半的路面面层是用结合料加固处理的沥青混凝土或矿物材料铺筑的。水泥混凝土路面较为少见,目前只是为了
The rapid development of the automobile transport industry is a common feature shared by many countries in the world. Finland is such a country. Finland has had many useful lessons in highway construction and conservation management. In recent decades, the total number of cars in the country has increased almost 80%. There are currently 1.75 million vehicles, of which 1.6 million are cars (91.4%). Car owners use their cars for an entire journey of about 300 kilometers, whereas cars that use cars typically travel more than 400 kilometers. One of the hallmarks of the Finnish road network is that the road network is made up of roads of different road classes. See the table below. Almost half of the pavement throughout the country is paved with bituminous concrete or mineral material reinforced with binder. Cement concrete pavement is relatively rare, just for now